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Finding the Fourth Proportional to 537,029.20, 740,915.72 and 333,006.80

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Solution

The fourth proportional to 537,029.20, 740,915.72 and 333,006.80 is: 459,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,029.20 : 740,915.72 = 333,006.80 : x
  2. Step 2: Convert to fraction form
    537,029.20/740,915.72 = 333,006.80/x
  3. Step 3: Cross multiply
    537,029.20x = 740,915.72 × 333,006.80
  4. Step 4: Simplify right side
    537,029.20x = 246,729,972,986.90
  5. Step 5: Solve for x
    x = 246,729,972,986.90/537,029.20
  6. Step 6: Final answer
    x = 459,434.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.